UNIVERSITAT AUTÒNOMA DE BARCELONA Faculty of Economics and Business Studies
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UNIVERSITAT AUTÒNOMA DE BARCELONA Faculty of Economics and Business Studies Marihuana legalization and its effects on consumption and teenagers’ perception Jorge Alfredo Pellegrini Padilla Thesis supervisor: Mikel Esnaola Acebes Submitted to meet the requirements of the Bachelor of Economics at Universitat Autònoma de Barcelona, June 2019 I declare that this thesis has been composed solely by myself and that it has not been submitted, in whole or in part, in any previous application for a degree. Except where states otherwise by reference or acknowledgment, the work presented is entirely my own. Jorge Alfredo Pellegrini Padilla (2019) 2 ABSTRACT The purpose of this study is to test if the legalization of recreational marihuana implies an increase in the number of new consumers and if, at the same time, the teenager’s perception of the substance is affected by the measure. A historical review of cannabis focusing on its uses and legal status throughout the time was performed in order to have a solid background of the topic. Then, why and how Uruguay and Canada recently legalized the plant was analysed, pointing out the differences between the two approaches: socialist vs capitalist. The case of the United States is also considered, explaining the current legal situation of the substance in the country. Finally, using data from the National Survey on Drug Use and Health (NSDUH) a quantitative analysis was conducted in the United States. It was concluded that the legalization of recreational marihuana potentially implies a positive increase in the number of new consumers of the drug and, on the other side, that the perception of teenagers regarding the drug is not likely to be affected by the new legal status of the plant. 3 Contents ABSTRACT ................................................................................................................. 3 1. INTRODUCTION .................................................................................................... 6 2. HISTORY OF CANNABIS ...................................................................................... 7 2.1 Origins of Cannabis and its early expansion ......................................................... 7 2.2 Cannabis reaches the New World......................................................................... 9 2.3 Cannabis faces the law ....................................................................................... 10 2.4 Cannabis and the Second World War ................................................................. 12 2.5 Cannabis illegalization became international...................................................... 13 3. CANNABIS NOWADAYS .................................................................................... 13 3.1 Medical and recreational uses ............................................................................ 13 3.1.1 Medical marihuana ...................................................................................... 14 3.1.2 Recreational marihuana ............................................................................... 15 3.2 Legal situation of recreational marihuana ........................................................... 15 3.2.1 Uruguay: the socialist approach ................................................................... 16 3.2.2 Canada: the capitalist approach ................................................................... 17 3.2.3 United States ............................................................................................... 18 4. QUANTITATIVE ANALYSIS ............................................................................... 20 4.1 Problem Statement ............................................................................................. 20 4.2 Case Study and Data .......................................................................................... 20 4.3 Methodology ..................................................................................................... 21 4.4 Discussions ........................................................................................................ 23 4.4.1 Findings ...................................................................................................... 23 4.4.2 Limitations of the study ............................................................................... 25 5. CONCLUSIONS..................................................................................................... 26 6. BIBLIOGRAPHY ................................................................................................... 28 4 List of Figures Figure 1. Historical diffusion of Cannabis ..................................................................... 7 Figure 2. Reefer madness original posters ................................................................... 11 Figure 3. Situation of medical marihuana in the USA .................................................. 15 Figure 4. Situation of medical and recreational marihuana in USA .............................. 18 Figure 5. Support for legalizing marihuana in the United States (1969 to 2018) .......... 19 Figure 6. Evolution of new recreational marihuana consumer (2002-2017) in USA ..... 23 Figure 7. Teenagers’ acceptance of marihuana use before and after legalization .......... 24 List of Tables Table 1. Detail of states that have legalized recreational marihuana. ............................ 21 Table 2. Effects of the legalization on teenagers’ acceptance of marihuana ................. 25 5 1. INTRODUCTION The legalization of cannabis is a controversial topic that is seen in the news day in and day out. But which are the reasons behind the discussion? The fact is that the legalization of this simple plant can have effects on multiple aspects of a country, including the economy, health of the population and even ethics. The initial motivation in my study started in 2013 when my home country, Uruguay, decided to fully legalize recreational marihuana. Many persons of my close relations circle were concerned about the policy and some of them feared the worst scenarios. But somehow, I though that given the weight of Uruguay on the world economy, the decision would not transcend further. It was not until October 2018 when Canada, one of the biggest economies in the world, decided to take the same measure like the, relatively speaking, small developing Uruguay. It was in this moment that I realized that my home country may be the pioneer of a future global tendency. Immediately I felt the necessity to investigate more about the topic to see the possible consequences that such measure may have. After deepening into the topic, I found out that there are two opposite positions regarding recreative marihuana’s legalization, each of them with their own reasonable arguments behind. However, despite the various discrepancies between the two positions, there are two topics where they are both concerned: consumption and the teenagers. It is still unclear if legalization brings an increase in new consumers. And it is even more unclear if legalization affects the attitude of young people towards the substance. The core of this paper will be focused on the two previous points. First, I considered that it is important to know the origins of the plant, its uses and of course the roots of its illegalization. A review throughout the history of cannabis, ranging from its origins until the present, has been done with the ultimate objective of having a solid background about the topic. Secondly, I explained the two main uses that cannabis has nowadays: medical and recreational. Unsurprisingly, these uses are also the most controversial. Then, I made clear that my study will be only focused on the recreational use of the substance and I explained why and how Canada and Uruguay implemented the legalization of the plant in their system. Then I focused on the case of United States, which without any doubts it is the most peculiar case. Finally, after having a wide and solid background of the situation I performed a quantitative analysis to see if: 1) Legalization of recreational marihuana implies an increase on the numbers of consumers. 2) Teenager’s perception regarding marihuana is affected by the legalization. Before even getting into the historical background, I want to explain the difference between cannabis, marihuana and hemp so there is no confusion when I use later the terms: 6 • Cannabis: Cannabis Sativa L. is the scientific name of the plant. It has different varieties, each of them with different compositions which qualifies if the variety is more suitable for personal or industrial use. Therefore, cannabis includes the terms marihuana and hemp. • Marihuana: It is a specie of Cannabis which due to its composition is suitable for personal use. These uses are basically two: medial and recreational. • Hemp: It is a specie of Cannabis which due to its composition is often used on the industry. 2. HISTORY OF CANNABIS It is a common belief that the prohibition of cannabis happened a long time ago and that it is related to its negative impact on health. However, by looking at history the ban can be described as a recent development, whilst the motives for it are tied to racism and economic interests. Figure 1. Historical diffusion of Cannabis Source: “High Points: An Historical Geography of Cannabis” by Barney Warf (2014) The history of cannabis is extensive, complicated and singular so I will only be able to scratch the surface. I will try to show how important cannabis has